{"id":"W2026208171","doi":"10.2118/110121-ms","title":"Experimental and Numerical Investigations of Borehole Ballooning in Rough Fractures","year":2007,"lang":"en","type":"article","venue":"SPE Annual Technical Conference and Exhibition","topic":"Drilling and Well Engineering","field":"Engineering","cited_by":5,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Alberta","funders":"","keywords":"Fracture (geology); Ballooning; Borehole; Surface roughness; Geology; Drilling fluid; Drilling; Surface finish; Mechanics; Flow (mathematics); Fractal dimension; Geotechnical engineering; Deformation (meteorology); Materials science; Fractal; Composite material; Mathematics","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0005647452,0.0002194502,0.0003223698,0.0003160411,0.0003263524,0.0002153086,0.0004951228,0.0004959107,0.0006155989],"category_scores_gemma":[0.0009710449,0.0001537587,0.0002882204,0.0002658004,0.0005850237,0.0002214945,0.0002649129,0.0003715218,0.00004313264],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003002996,"about_ca_system_score_gemma":0.0001684159,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002408033,"about_ca_topic_score_gemma":0.002607335,"domain_scores_codex":[0.9997568,0.00003142024,0.00002286811,0.00003953787,0.0001008682,0.00004855355],"domain_scores_gemma":[0.9990726,0.0004823786,0.000136354,0.0001244627,0.0001374677,0.00004676657],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.0007815213,0.0008352202,0.02910322,0.0002620459,0.00003859649,0.0007939761,0.0003931728,0.247894,0.7075698,0.001082462,0.0001863238,0.0110596],"study_design_scores_gemma":[0.00009973445,0.003881352,0.04521844,0.00002449072,0.00003990438,0.0002704623,0.0004339535,0.6527399,0.2961906,0.0004218605,0.0006017346,0.00007752068],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9981919,0.0000299174,0.001449008,0.0000097739,0.000003514432,0.000011229,0.00004280455,0.00002821211,0.0002336132],"genre_scores_gemma":[0.9983264,0.00001546769,0.001560149,0.000001609795,7.847296e-7,0.000007202371,0.00002239871,0.000001445865,0.00006452985],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002408033,"threshold_uncertainty_score":0.004788041,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01250456801248358,"score_gpt":0.2530251037395108,"score_spread":0.2405205357270272,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}